What Is the Molar Solubility of Lead(II)chromate in 0

Multiple Choice

What is the molar solubility of lead(II) chromate in 0.10 M HNO₃ if the K_sp for PbCrO₄ is 2.8 × 10^-13 and the K_a2 for H₂CrO₄ is 3.0 × 10^-7? Note that H₂CrO₄ is considered to be a strong acid.

A) 9.2 × 10^-11 M
B) 2.9 × 10^-10 M
C) 9.3 × 10^-7 M
D) 3.1 × 10^-4 M